Original source of Doom Horrors?

[Admiral_Aorta]

Originally Posted by Torin

Google images for "scabiei"
It very like Scabiel, the maker of ruins

Those are parasitic scabies mites. I hadn't thought of them as an inspiration but scabiel does look sort of like a mite, albeit larger than most. The Abomination of Desolation's appearance is based on deep sea fish faces and its name is a phrase from the bible, though the phrase doen't refer to an entity but an event.